Find the sum and product of the roots for the quadratic equation: $3y^2-y-4=0$

Using division algorithm, divide $f\left(x\right)$ by $g\left(x\right)$ and find quotient and remainder.
$f\left(x\right)=x^3-6x^2+11x-6, g\left(x\right)=x+2$

Find the quadratic polynomial, for the zeroes $\alpha$, $\beta$ given in below case.

$2, -1$